Clear all messages from a chat.
AI agents call whatsapp_clear_chat to permanently remove resources in WSAPI WhatsApp MCP Server — typically in cleanup and lifecycle workflows. It does its job in a single call, and there is no undo.
This tool permanently deletes data (all messages in a chat) and the action cannot be undone. While not financial in nature and not affecting account security directly, it causes irreversible data loss with a significant blast radius—an AI agent executing this without user intent could destroy an entire conversation history.
From the tool's definition Tool name is 'whatsapp_clear_chat' and description states 'Clear all messages from a chat.' The verb 'clear' in this context means irreversibly delete all message content from a conversation.
Risk signalsBulk/mass operation — affects multiple targets
Attacks that exploit this kind of access
Clear all messages from a chat. It is categorised as a Destructive tool in the WSAPI WhatsApp MCP Server MCP Server, which means it can permanently delete or destroy data. Block by default and require explicit approval.
Register the WSAPI WhatsApp MCP Server MCP server in PolicyLayer and add a rule for whatsapp_clear_chat: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches WSAPI WhatsApp MCP Server. Nothing to install.
whatsapp_clear_chat is a Destructive tool with critical risk. Critical-risk tools should be blocked by default and only enabled with explicit human approval.
Yes. Add a rate_limit block to the whatsapp_clear_chat rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.
Set action: deny in the PolicyLayer policy for whatsapp_clear_chat. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.
whatsapp_clear_chat is provided by the WSAPI WhatsApp MCP Server MCP server (wsapi-chat/wsapi-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
Teams ship this data inside their own products. See what a licence covers →